https://tomcat.apache.org/tomcat-10.1-doc/api/org/apache/tomcat/util/net/NioEndpoint.SendfileData.html
NioEndpoint.SendfileData (Apache Tomcat 10.1.55 API Documentation)
declaration: package: org.apache.tomcat.util.net, class: NioEndpoint, class: SendfileData
apache tomcatapidocumentation